1. Tropical cycles
2. Lyness cycles
3. 4. Janowski, E. J. , Kocic, V. L. , Ladas, G. , and Schultz, S. W. , Global behavior of solutions of xn + 1 = max {xn , A} / xn − 1 , Proceedings of the First International Conference on Difference Equations (May 1994), San Antonio, Gordon and Breach, Basel (1995).
4. 3. Griffiths, J. , Lyness cycles, elliptic curves and Hikorsky triples, accessed April 2020 at ueaeprints.uea.ac.uk/id/eprint/38238/1/2012GriffithsJMSc.pdf
5. 1581. Cycles